<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>virtualdom</title>
</head>
<body>
  <div id="app">
    
  </div>

  <script src="../../dist/vue.js"></script>
  <script>
    const vm = new Vue({
      el: '#app',
      render (h) {
        // h(tag, data, children)
        // return h('h1', this.msg)
        // return h('h1', { domProps: { innerHTML: this.msg } })
        // return h('h1', { attrs: { id: 'title' } }, this.msg)
        const vnode = h(
          'h1', 
          { 
            attrs: { id: 'title' } 
          },
          this.msg
        )
        console.log(vnode)
        return vnode
      },
      data: {
        msg: 'Hello Vue'
      }
    })
  </script>
</body>
</html>